Finding the Fourth Proportional to 1,678,411.29, 2,519,812.14 and 996,542.94
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Solution
The fourth proportional to 1,678,411.29, 2,519,812.14 and 996,542.94 is: 1,496,117.79
Step by Step Solution
- Step 1: Write the proportion equation
1,678,411.29 : 2,519,812.14 = 996,542.94 : x - Step 2: Convert to fraction form
1,678,411.29/2,519,812.14 = 996,542.94/x - Step 3: Cross multiply
1,678,411.29x = 2,519,812.14 × 996,542.94 - Step 4: Simplify right side
1,678,411.29x = 2,511,100,998,243.29 - Step 5: Solve for x
x = 2,511,100,998,243.29/1,678,411.29 - Step 6: Final answer
x = 1,496,117.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.